Issued Patents 1994
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357460 | Semiconductor memory device having two transistors and at least one ferroelectric film capacitor | Tatsushi Yusuki, Kenichi Tanaka, Keizo Sakiyama, Katsuji Iguchi | 1994-10-18 |
| 5348900 | Process for manufacturing a semiconductor device including heat treatment in ammonia or oxygen | Akitsu Ayukawa | 1994-09-20 |
| 5322810 | Method for manufacturing a semiconductor device | Akitsu Ayukawa, Hiroshi Ishihara | 1994-06-21 |
| 5312774 | Method for manufacturing a semiconductor device comprising titanium | Kazuyo Nakamura, Keiichiro Uda, Osamu Yamazaki, Hiromi Hattori, Nobutaka Fukushima | 1994-05-17 |
| 5298446 | Process for producing semiconductor device | Akitsu Ayukawa, Kenichi Tanaka | 1994-03-29 |
| 5293075 | Semiconductor device with PZT/PLZT film and lead-containing electrode | Kazuya Ishihara, Keizo Sakiyama | 1994-03-08 |